and with george w. bush in iraq we would take a very powerful speech he made at the military academy at west point. some of the -- emancipation proclamation is the actual proclamation. some are documents, some of them presidential speeches. it is anything that can take you back to the moment. i talked about how we tried to make this as his tore -- journalistic as possible to take you as much into the moment as we possibly could. and the source material is, you know, how they were trying to ash -- various presidents to make their case. how they were trying to persuade the public which in almost every one of these cases was going against them. how they tried to persuade them, you know, this is the right thing to do. >> andrew johnson, how did he get in here? >> well, i have to say this. a certain amount of perverseness to this book. i -- you know, as i say, there are the greatest hits and there's f.d.r. and washington. and lincoln. and reagan. but there are certain presidents that i was intrigued by who g